Microsoft User Interface Design Guidelines
http://msdn.microsoft.com/en-us/library/jj651618(v=nav.71).aspx
Ribbon - Microsoft
http://msdn.microsoft.com/en-us/library/windows/desktop/cc872782.aspx
Microsoft Inductive User Interface Guidelines
http://msdn.microsoft.com/en-us/library/ms997506.aspx
iOS Human Interface Guidelines
http://developer.apple.com/library/ios/#documentation/UserExperience/Conceptual/MobileHIG/Introduction/Introduction.html